If you are having issues with your roof, especially if sopmetimes it works and sometimes it doesnt, then follow these instructions and check your motor commutators. Although I work full time as an Engineer I can assist for a small fee to cover my time. The A4 is a compact executive car produced by German automaker Volkswagen and is sold through its Audi division. The A4 convertible was offered with two different engine options, including a turbo, and in either a front- or all-wheel drive configuration. You saved me almost £600!!! See white arrow Click to expand. Between 2001 and 2009, the A4 was offered as a convertible based on the B6 and B7 body styles. The Audi A4 convertible has been involved in several recalls for dealers to attend to known issues.
Despite Audi's reputation for quality and generally good reliability and safety ratings for the A4 convertible, there are several common problems that owners and potential buyers should be aware of. Several of these issues center around the fact that the A4 convertible is heavier than the sedan version and, as a result, performance suffers. Hi Krumz Thanks for the reply! Do this a couple of times with the ignition on. Just as well we live in this country with the beautifull all year roof down weather!!! For vagcom, I bought a cable and shareware from the internet but it does not have access to all the ecu data. My rear windows is going from 100% to about 10% when full down. You have no idea how much love I have for you right now.
In many instances these problems result from a water leak in the wiring harness which allows the wiring to become corroded over time. Third: It might be my windows, all windows works in vag-com when checking percentage. The next step is to stop the problem reoccurring by prying open the brush carriers, insert a small screwdriver between the small slot in the brush carriers and gently pry them open, then pull the brushes back and confirm they spring back freely towards the commutator. I will look at replacing the motor, kids have rinsed my account from xmas so havent got the money at the moment. After closing it manually and a bit of trouble shooting I found it was the electric motor which drives the hydraulic pump which was faulty. I brought it to Audi Service Unit in Dublin and they maintain they've never seen this problem before. An orange warning light comes up on my display panel when I put the key in the ignition before starting the car.
When checking the brushes I found that one of the brushes was not moving freely in the carrier, leading to poor contact and in turn more arcing. I have never been on this forum before but after reading material like this i joined. See picture below I have attached some other files which I pulled of Elsa on A4 Cabriolet roofs, these are below: General Information on Hydraulic System Exploded View of Convertible Top Exploded View of Hydraulic System Block Diagram of Hydraulic System This is in case you want to know how it really works!! Then mayby my hydraulic unit also is broken? I've an Audi A4 2. Hi Krumz, Thanks for the info, I'm gutted , thought this may fix the issue as I have identical symptoms, but alas no, still just opened and inch and nothing else happens. Owners have reported issues with non-functional remote door locks, power automatic windows, and interior lights.
Jay, I opened mine up over the weekend and found the same problem again dirty commutator. Another recall in 2007 dealt with a separate fuel pump issue that affected more than 34,000 vehicles. In case of any queries, or if you would like any more information of the workshop manual drop me an email facebook. I would recommend to check if the motor on the hydraulic control unit is getting any power by connecting a multimeter to it. . Many drivers have experienced turbo lag with the added power from the turbocharger being unavailable when needed, such as during hard acceleration. While most drivetrain problems are covered under an A4 convertible's standard new vehicle warranty, repairs of older vehicles can be costly.
Jay, I opened mine up over the weekend and found the same problem again dirty commutator. In particular, turbocharger maintenance is an added requirement on the A4 when equipped with the 2. Dont write much english since school and auto correction is on swedish. This worked for me and re-set the switch positions. Did exactly as per your instructions and now my roof works perfectly!!! But apparanteley that is not the case!!! Hello All, I tried closing the hood one day and it did not want to budge. With the ignition on, but engine not running, open and close the roof manually a couple of times in the exact same sequence it would automatically.
Thanks for the info though appreciate it, and guides like yours save some people lots of money. Hi Danne, When the roof is out of sync then you will get fault codes such as implausible signal. Did your roof not move at all or? Hi, I'm not sure my problem relates to this but this seems about the best place to get help!. There is a connector from the control unit which provides power to the motor black and red wire , I would say plug a multimeter on that connector and see if the motor is getting any power, If: -You are getting power and you cannot hear the motor turning then I would say replace the motor £180. So please do not hesitate to contact me!! Took it to audi the other day and they charged me £98 to tell me they would need another 2 hours to try to diagnose the issue. Each of these configurations has been the cause of some frustration for owners, but none more so than the turbocharged engine option. The problems started with the usual flashing roof warning light on the dashboard.
But i do have that error code. Cheers, Bern Hi Bern, Try this, it worked for me. I am kind of stuck. Another group of problems with the Audi A4 convertible concern general shortcomings that have been noted by owners and automotive critics. The turbocharger A4 convertible has also earned long-term reliability ratings that are average or below average within its class.
I've had the same problem with my roof opening but not closing 2006 Audi A4 2. Just wanted to tell you that i was impressed by the helpfulness here. Many thanks for the help. The cause of this is that the brushes get stuck in the brush carriers and do not make good contact with the communicator, this in turn leads to arcing and poor contact. In 2006 74,000 vehicles were recalled because of a faulty fuel pump that could cause the engine to stall.
Im a bit new to this forum malarcky so didnt know you had replied as i thought i would have had an e-mail reminder! Fyi my car is a 57 plate with 29k on the clock, wouldnt have thought i would get motor problem with having such little use, but i suppose this could also be the problem! Have taken car to local specialist not Audi who whilst I was there connected it up to diagnostics and appeared that no faults found but some switches not in right position. Wiring Diagrams for Electric Hood 2003 Onwards 2005 Onwards Good luck! The warning light flashes 10 times and then disappears. The roof ecu does not get interrogated by my version. . Am not impressed by their lack of expertise! At that point the roof would stop fortunately! The A4 was also involved in a 2006 recall of some 27,000 cars because of headlight components that failed to conform to federal safety standards.